need return false for other ajax button onclicks, so added them for consistency, also shrank button font to take up less space

templates/books_for_series.html

@@ -15,16 +15,16 @@
 						data: '&id={{series.id}}&move_button=up-{{book.id}}',
 						success: function(data){
 							$('#books_for_series_bit').html(data); } 
-					} );">
-					<i class="fas fa-angle-double-up" ></i></button>
+					} ); return false;">
+					<i class="fas fa-angle-double-up" style="font-size:10px"></i></button>
 				<button name="move_button" value="down-{{book.id}}" id="down-{{book.id}}" class="btn btn-outline-primary btn-small" {{style}}
 					onClick="$.ajax({ 
 						type: 'POST', url: '/books_for_series/{{series.id}}', 
 						data: '&id={{series.id}}&move_button=down-{{book.id}}',
 						success: function(data){
 							$('#books_for_series_bit').html(data); } 
-					} );">
-					<i class="fas fa-angle-double-down"></i></button>
+					} ); return false;">
+					<i class="fas fa-angle-double-down" style="font-size:10px"></i></button>
 				<a href="/book/{{book.id}}">{{book.title}}</a>
 			</td>
 			{% set num = SeriesBookNum( series.id, book.id ) %}